from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A colorless crystalline salt, NaF, used in fluoridation of water, in treatment of tooth decay, and as an insecticide and a disinfectant.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The salt NaF, used in the fluoridation of water
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a colorless crystalline salt of sodium (NaF) used in fluoridation of water and to prevent tooth decay
Sorry, no etymologies found.